Mesa climate

Mesa Weather in December

NOAA 1991-2020 normals for Tempe Asu, 9.2 km from Mesa

Average highs run from 72°F on December 1 to 69°F on December 31, and lows from 40°F to 37°F. Normal precipitation for the month is 0.95 in over about 4 wet days.

December day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Mesa, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
69°F
Average low
38°F
Precipitation
0.95 in
Record high
85°FDec 1, 2021
Record low
24°FDec 29, 2003
Chance of a freeze
92%
Daylight
10 h 06 min to 9 h 59 min
Cloud cover
42%
Humidity
45%
Dew point
28°F
Wind
6.7 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Dec 172°F40°F85°F 202129°F 20049%
Dec 272°F40°F85°F 201727°F 200410%
Dec 372°F39°F83°F 202431°F 200410%
Dec 471°F39°F79°F 200332°F 200910%
Dec 571°F39°F81°F 200328°F 200910%
Dec 671°F39°F83°F 202328°F 200510%
Dec 770°F38°F81°F 200628°F 201310%
Dec 870°F38°F81°F 201029°F 201111%
Dec 970°F38°F82°F 202027°F 201311%
Dec 1070°F38°F78°F 201529°F 200911%
Dec 1169°F38°F79°F 200432°F 200911%
Dec 1269°F38°F83°F 201032°F 201211%
Dec 1369°F37°F83°F 201033°F 200311%
Dec 1469°F37°F81°F 202531°F 202211%
Dec 1569°F37°F82°F 202531°F 200712%
Dec 1669°F37°F78°F 202327°F 201512%
Dec 1769°F37°F80°F 202327°F 200512%
Dec 1868°F37°F84°F 202431°F 201512%
Dec 1968°F37°F81°F 202432°F 200612%
Dec 2068°F37°F83°F 202429°F 200612%
Dec 2168°F37°F81°F 202526°F 200612%
Dec 2268°F37°F81°F 202527°F 201712%
Dec 2368°F37°F78°F 202529°F 200712%
Dec 2468°F37°F82°F 200531°F 200912%
Dec 2568°F37°F77°F 200528°F 200412%
Dec 2668°F37°F76°F 200527°F 201412%
Dec 2769°F37°F74°F 202226°F 201412%
Dec 2869°F37°F77°F 201726°F 201413%
Dec 2969°F37°F78°F 201724°F 200313%
Dec 3069°F37°F77°F 201726°F 201513%
Dec 3169°F37°F74°F 200825°F 201013%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Mesa, in percent.0510151102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (MST).

December 1
sunrise 7:13 AM, sunset 5:19 PM
December 31
sunrise 7:31 AM, sunset 5:30 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00028499 (Tempe Asu), public domain. Records: NOAA GHCN-Daily, station USC00022782, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.